Logitech Design Collection Wireless Mouse

Sensor Technology: Logitech Smooth Optical Tracking
Sensor resolution: 1000 DPI
Number of Buttons: 3
Unifying ready mouse: Yes
Unifying ready receiver: Yes
Battery: 12 months
Battery type: 1 AA
Wireless operating distance: 10 m (33ft)
Wireless technology: Logitech Advanced 2.4 gHz Unifying wireless connectivity
Connection Interface: USB Unifying receiver